Buggy code:
public class LangRegistry extends RegistryFile { private static ArrayList < Block > blocks = new ArrayList < Block > ( ) ; private static ArrayList < Item > items = new ArrayList < Item > ( ) ; private static ArrayList < Item > key = new ArrayList < Item > ( ) ; private static ArrayList < DivineRPGTabs > tabs = new ArrayList < DivineRPGTabs > ( ) ; private static ArrayList < String > mobs = new ArrayList < String > ( ) ; public static final RegistryFile instance = new LangRegistry ( ) ; public LangRegistry ( ) { } public static void registerNames ( ) { } public static void addAchievements ( ) { LangRegistry . instance . addToFile ( "achievement.divineIntervention.desc=Spawn<seq2seq4repair_space>The<seq2seq4repair_space>Watcher" ) ; LangRegistry . instance . addToFile ( "achievement.possibilities.desc=Enter<seq2seq4repair_space>the<seq2seq4repair_space>Eden<seq2seq4repair_space>dimension" ) ; LangRegistry . instance . addToFile ( "achievement.friendOrFoe.desc=Kill<seq2seq4repair_space>a<seq2seq4repair_space>bunny" ) ; LangRegistry . instance . addToFile ( "achievement.darkAnotherDay.desc=Enter<seq2seq4repair_space>the<seq2seq4repair_space>Mortum<seq2seq4repair_space>Dimension" ) ; LangRegistry . instance . addToFile ( "achievement.whenPigsFly.desc=Wear<seq2seq4repair_space>a<seq2seq4repair_space>full<seq2seq4repair_space>Angelic<seq2seq4repair_space>armor<seq2seq4repair_space>set" ) ; LangRegistry . instance . addToFile ( "achievement.offKey.desc=Shoot<seq2seq4repair_space>a<seq2seq4repair_space>Sound<seq2seq4repair_space>of<seq2seq4repair_space>Music" ) ; LangRegistry . instance . addToFile ( "achievement.enrichment.desc=" ) ; LangRegistry . instance . addToFile ( "achievement.littleCreature.desc=Spawn<seq2seq4repair_space>a<seq2seq4repair_space>Golem<seq2seq4repair_space>Of<seq2seq4repair_space>Rejuv'" ) ; LangRegistry . instance . addToFile ( "achievement.halloweenSpirit.desc=Trade<seq2seq4repair_space>with<seq2seq4repair_space>a<seq2seq4repair_space>Jack-O-Man" ) ; LangRegistry . instance . addToFile ( "achievement.feedingOnTheFish.desc=Kill<seq2seq4repair_space>a<seq2seq4repair_space>Shark" ) ; LangRegistry . instance . addToFile ( "achievement.frozenLand.desc=Enter<seq2seq4repair_space>the<seq2seq4repair_space>Iceika<seq2seq4repair_space>dimension" ) ; LangRegistry . instance . addToFile ( "achievement.frozenGoods.desc=Open<seq2seq4repair_space>a<seq2seq4repair_space>frozen<seq2seq4repair_space>chest" ) ; LangRegistry . instance . addToFile ( "achievement.lilTinkerin.desc=Trade<seq2seq4repair_space>with<seq2seq4repair_space>a<seq2seq4repair_space>Tinkerer" ) ; LangRegistry . instance . addToFile ( "achievement.lilGift.desc=Open<seq2seq4repair_space>a<seq2seq4repair_space>gift<seq2seq4repair_space>Box" ) ; LangRegistry . instance . addToFile ( "achievement.divinePlan.desc=Craft<seq2seq4repair_space>a<seq2seq4repair_space>Divine<seq2seq4repair_space>Sword" ) ; LangRegistry . instance . addToFile ( "achievement.whatLiesWithin.desc=Enter<seq2seq4repair_space>The<seq2seq4repair_space>Dungeon<seq2seq4repair_space>Of<seq2seq4repair_space>Arcana" ) ; LangRegistry . instance . addToFile ( "achievement.perfectlyCorrupted.desc=Use<seq2seq4repair_space>the<seq2seq4repair_space>Altar<seq2seq4repair_space>Of<seq2seq4repair_space>Corruption" ) ; LangRegistry . instance . addToFile ( "achievement.totalDemonization.desc=Use<seq2seq4repair_space>the<seq2seq4repair_space>Demon<seq2seq4repair_space>Furnace" ) ; LangRegistry . instance . addToFile ( "achievement.evilDisease.desc=Kill<seq2seq4repair_space>Parasecta" ) ; LangRegistry . instance . addToFile ( "achievement.dungeonMaster.desc=Kill<seq2seq4repair_space>Dramix" ) ; LangRegistry . instance . addToFile ( "achievement.eyeOfEvil.desc=Look<seq2seq4repair_space>into<seq2seq4repair_space>the<seq2seq4repair_space>eye<seq2seq4repair_space>of<seq2seq4repair_space>The<seq2seq4repair_space>Eye" ) ; LangRegistry . instance . addToFile ( "achievement.tripleDanger.desc=Kill<seq2seq4repair_space>an<seq2seq4repair_space>Ender<seq2seq4repair_space>Triplet" ) ; <START_BUG> LangRegistry . instance . addToFile ( "achievement.hotterThanHell.desc=Step<seq2seq4repair_space>on<seq2seq4repair_space>a<seq2seq4repair_space>hot<seq2seq4repair_space>block<seq2seq4repair_space>in<seq2seq4repair_space>Arcana" ) ; <END_BUG> LangRegistry . instance . addToFile ( "achievement.mealToRemember.desc=Eat<seq2seq4repair_space>a<seq2seq4repair_space>chicken<seq2seq4repair_space>dinner" ) ; LangRegistry . instance . addToFile ( "achievement.yuk.desc=Use<seq2seq4repair_space>an<seq2seq4repair_space>Arcana<seq2seq4repair_space>potion" ) ; LangRegistry . instance . addToFile ( "achievement.spawnDAR.desc=Spawn<seq2seq4repair_space>Densos<seq2seq4repair_space>and<seq2seq4repair_space>Reyvor" ) ; LangRegistry . instance . addToFile ( "achievement.dramcryxDeath.desc=Kill<seq2seq4repair_space>a<seq2seq4repair_space>Jungle<seq2seq4repair_space>Dramcryx" ) ; LangRegistry . instance . addToFile ( "achievement.allHellLoose.desc=Use<seq2seq4repair_space>a<seq2seq4repair_space>Storm<seq2seq4repair_space>Sword" ) ; LangRegistry . instance . addToFile ( "achievement.skyHigh.desc=Jump<seq2seq4repair_space>on<seq2seq4repair_space>an<seq2seq4repair_space>Elevantium<seq2seq4repair_space>Block" ) ; LangRegistry . instance . addToFile ( "achievement.oneLampTwoLampRedLampBlueLamp.desc=Craft<seq2seq4repair_space>an<seq2seq4repair_space>Eden<seq2seq4repair_space>Lamp" ) ; LangRegistry . instance . addToFile ( "achievement.divineIntervention=Divine<seq2seq4repair_space>Intervention" ) ; LangRegistry . instance . addToFile ( "achievement.possibilities=Possibilities" ) ; LangRegistry . instance . addToFile ( "achievement.friendOrFoe=Friend<seq2seq4repair_space>or<seq2seq4repair_space>Foe?" ) ; LangRegistry . instance . addToFile ( "achievement.darkAnotherDay=Dark<seq2seq4repair_space>Another<seq2seq4repair_space>Day" ) ; LangRegistry . instance . addToFile ( "achievement.whenPigsFly=When<seq2seq4repair_space>Pigs<seq2seq4repair_space>Fly" ) ; LangRegistry . instance . addToFile ( "achievement.offKey=Off<seq2seq4repair_space>Key" ) ; LangRegistry . instance . addToFile ( "achievement.enrichment=Enrichment" ) ; LangRegistry . instance . addToFile ( "achievement.littleCreature=Little<seq2seq4repair_space>Creature" ) ; LangRegistry . instance . addToFile ( "achievement.halloweenSpirit=Halloween<seq2seq4repair_space>Spirit" ) ; LangRegistry . instance . addToFile ( "achievement.oneLamp=One<seq2seq4repair_space>Lamp" ) ; LangRegistry . instance . addToFile ( "achievement.feedingOnTheFish=Feeding<seq2seq4repair_space>on<seq2seq4repair_space>the<seq2seq4repair_space>Fish" ) ; LangRegistry . instance . addToFile ( "achievement.hotterThanHell=Hotter<seq2seq4repair_space>than<seq2seq4repair_space>Hell" ) ; LangRegistry . instance . addToFile ( "achievement.mealToRemember=Meal<seq2seq4repair_space>to<seq2seq4repair_space>Remember" ) ; LangRegistry . instance . addToFile ( "achievement.yuk=Yuk!" ) ; LangRegistry . instance . addToFile ( "achievement.frozenLand=Frozen<seq2seq4repair_space>Land" ) ; LangRegistry . instance . addToFile ( "achievement.frozenGoods=Frozen<seq2seq4repair_space>Goods" ) ; LangRegistry . instance . addToFile ( "achievement.lilTinkerin=Lil'<seq2seq4repair_space>Tinkerin" ) ; LangRegistry . instance . addToFile ( "achievement.divinePlan=Divine<seq2seq4repair_space>Plan" ) ; LangRegistry . instance . addToFile ( "achievement.whatLiesWithin=What<seq2seq4repair_space>Lies<seq2seq4repair_space>Within" ) ; LangRegistry . instance . addToFile ( "achievement.perfectlyCorrupted=Perfectly<seq2seq4repair_space>Corrupted" ) ; LangRegistry . instance . addToFile ( "achievement.totalDemonization=Total<seq2seq4repair_space>Demonization" ) ; LangRegistry . instance . addToFile ( "achievement.evilDisease=Evil<seq2seq4repair_space>Disease" ) ; LangRegistry . instance . addToFile ( "achievement.dungeonMaster=Dungeon<seq2seq4repair_space>Master" ) ; LangRegistry . instance . addToFile ( "achievement.eyeOfEvil=Eye<seq2seq4repair_space>of<seq2seq4repair_space>Evil" ) ; LangRegistry . instance . addToFile ( "achievement.tripleDanger=Triple<seq2seq4repair_space>Danger" ) ; LangRegistry . instance . addToFile ( "achievement.lilGift=Lil'<seq2seq4repair_space>Gift" ) ; LangRegistry . instance . addToFile ( "achievement.spawnDAR=Ten<seq2seq4repair_space>Heads<seq2seq4repair_space>are<seq2seq4repair_space>Better<seq2seq4repair_space>than<seq2seq4repair_space>One" ) ; LangRegistry . instance . addToFile ( "achievement.dramcryxDeath=Death<seq2seq4repair_space>to<seq2seq4repair_space>all<seq2seq4repair_space>Jungle<seq2seq4repair_space>Stegosaurous!" ) ; LangRegistry . instance . addToFile ( "achievement.allHellLoose=All<seq2seq4repair_space>Hell<seq2seq4repair_space>Loose" ) ; LangRegistry . instance . addToFile ( "achievement.skyHigh=Sky<seq2seq4repair_space>High" ) ; LangRegistry . instance . addToFile ( "achievement.oneLampTwoLampRedLampBlueLamp=One<seq2seq4repair_space>Lamp<seq2seq4repair_space>Two<seq2seq4repair_space>Lamp<seq2seq4repair_space>Red<seq2seq4repair_space>Lamp<seq2seq4repair_space>Blue<seq2seq4repair_space>Lamp" ) ; } public static void addMob ( String name ) { } public static void addBlock ( Block block ) { } public static void addItem ( Item item ) { } public static void addKeyItem ( Item item ) { } public static void addTab ( DivineRPGTabs tab ) { } @ Override public void addNames ( ) { } public static void addMobNames ( ) { } public static void addKeyItemNames ( ) { } public static void addTabNames ( ) { } }

Fix:
LangRegistry . instance . addToFile ( "achievement.hotterThanHell.desc=Step<seq2seq4repair_space>on<seq2seq4repair_space>a<seq2seq4repair_space>Heat<seq2seq4repair_space>Trap<seq2seq4repair_space>in<seq2seq4repair_space>Arcana" ) ;